Burke: Sorbus scopulina

	Sorbus scopulina
	Greene's mountain ash, Cascade mountain-ash, western mountain-ash
Habit	Erect, deciduous, several-stemmed shrub 1-4 m. tall, the young growth grayish soft-hairy, the older bark yellow to grayish-red.
Leaves	Leaves pinnate; leaflets 9-13, narrowly oblong to oblong-lanceolate, 3-7 cm. long, tapered to the base and pointed at the tip, finely and sharply serrate almost the full length, glabrous, dark green and shiny above and much paler below.
Flowers	Inflorescence a large, pubescent, flat-topped panicle, with at least 70 flowers; calyx obconic, whitish-pubescent, the 5 lobes triangular; petals 5, white, oval, 5-6 mm. long; stamens 15-20; carpels 3-4, the styles 2 mm. long.
Fruits	Fruit sub-globose, fleshy, orange to scarlet, glossy, about 1 cm. broad.

	Sorbus scopulina
Flowering time	May-August
Habitat	Open areas, from middle elevations to the subalpine.
Distribution	Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains and northern Great Plains. [WildflowerSearch map] [BONAP county map]
Origin	Native
Conservation status	Not of concern
Sibling taxa	S. aucuparia, S. hybrida, S. sitchensis
Web links	Local floras: BC, CA, OR, WA Local Web sites: CalFlora, CalPhotos, Flora NW, PNW Herbaria, Turner Photog. WildflowerSearch iNaturalist (observations) USDA Plants Database LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search

Sorbus scopulina

Greene's mountain ash, Cascade mountain-ash, western mountain-ash

Habit

Erect, deciduous, several-stemmed shrub 1-4 m. tall, the young growth grayish soft-hairy, the older bark yellow to grayish-red.

Leaves

Leaves pinnate;

leaflets 9-13, narrowly oblong to oblong-lanceolate, 3-7 cm. long, tapered to the base and pointed at the tip, finely and sharply serrate almost the full length, glabrous, dark green and shiny above and much paler below.

Flowers

Inflorescence a large, pubescent, flat-topped panicle, with at least 70 flowers;

calyx obconic, whitish-pubescent, the 5 lobes triangular;

petals 5, white, oval, 5-6 mm. long;

stamens 15-20;

carpels 3-4, the styles 2 mm. long.

Fruits

Fruit sub-globose, fleshy, orange to scarlet, glossy, about 1 cm. broad.